alloc colors only when needed, and free them properly on destruction
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8ad1d0bb99
commit
e451c08ac5
1 changed files with 27 additions and 11 deletions
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@ -28,9 +28,8 @@ RenderColor::RenderColor(int screen, unsigned char red,
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_red(red),
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_green(green),
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_blue(blue),
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_gc(0)
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_allocated(false)
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{
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create();
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}
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RenderColor::RenderColor(int screen, RGB rgb)
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@ -38,12 +37,11 @@ RenderColor::RenderColor(int screen, RGB rgb)
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_red(rgb.r),
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_green(rgb.g),
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_blue(rgb.b),
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_gc(0)
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_allocated(false)
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{
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create();
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}
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void RenderColor::create()
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void RenderColor::create() const
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{
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unsigned long color = _blue | _green << 8 | _red << 16;
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@ -84,6 +82,20 @@ void RenderColor::create()
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_cache[_screen][color] = item;
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++item->count;
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}
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_allocated = true;
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}
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unsigned long RenderColor::pixel() const
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{
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if (!_allocated) create();
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return _pixel;
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}
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GC RenderColor::gc() const
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{
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if (!_allocated) create();
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return _gc;
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}
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RenderColor::~RenderColor()
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@ -91,13 +103,17 @@ RenderColor::~RenderColor()
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unsigned long color = _blue | _green << 8 | _red << 16;
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CacheItem *item = _cache[_screen][color];
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assert(item); // it better be in the cache ...
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if (--item->count <= 0) {
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// remove from the cache
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XFreeGC(**display, _gc);
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_cache[_screen][color] = 0;
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delete item;
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if (item) {
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if (--item->count <= 0) {
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// remove from the cache
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XFreeGC(**display, _gc);
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_cache[_screen][color] = 0;
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delete item;
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const ScreenInfo *info = display->screenInfo(_screen);
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XFreeColors(**display, info->colormap(), &_pixel, 1, 0);
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}
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}
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}
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